﻿/*
 * MIT License
 *
 * Copyright (c) 2018 Clark Yang
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of 
 * this software and associated documentation files (the "Software"), to deal in 
 * the Software without restriction, including without limitation the rights to 
 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies 
 * of the Software, and to permit persons to whom the Software is furnished to do so, 
 * subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all 
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 
 * SOFTWARE.
 */

using UnityEngine;

using Loxodon.Framework.Views.Animations;
using System.Collections.Generic;

namespace Loxodon.Framework.Views
{
    public class WindowView : UIView, IWindowView
    {
        private IAnimation activationAnimation;
        private IAnimation passivationAnimation;

        public virtual IAnimation ActivationAnimation
        {
            get { return this.activationAnimation; }
            set { this.activationAnimation = value; }
        }

        public virtual IAnimation PassivationAnimation
        {
            get { return this.passivationAnimation; }
            set { this.passivationAnimation = value; }
        }

        public virtual List<IUIView> Views
        {
            get
            {
                var transform = this.Transform;
                List<IUIView> views = new List<IUIView>();
                int count = transform.childCount;
                for (int i = 0; i < count; i++)
                {
                    var child = transform.GetChild(i);
                    var view = child.GetComponent<IUIView>();
                    if (view != null)
                        views.Add(view);
                }
                return views;
            }
        }

        public virtual IUIView GetView(string name)
        {
            return this.Views.Find(v => v.Name.Equals(name));
        }

        public virtual void AddView(IUIView view, bool worldPositionStays = false)
        {
            if (view == null)
                return;

            Transform t = view.Transform;
            if (t == null || t.parent == this.transform)
                return;

            view.Owner.layer = this.gameObject.layer;
            t.SetParent(this.transform, worldPositionStays);
        }

        public virtual void AddView(IUIView view, UILayout layout)
        {
            if (view == null)
                return;

            Transform t = view.Transform;
            if (t == null)
                return;

            if (t.parent == this.transform)
            {
                if (layout != null)
                    layout(view.RectTransform);
                return;
            }

            view.Owner.layer = this.gameObject.layer;
            t.SetParent(this.transform, false);
            if (layout != null)
                layout(view.RectTransform);
        }

        public virtual void RemoveView(IUIView view, bool worldPositionStays = false)
        {
            if (view == null)
                return;

            Transform t = view.Transform;
            if (t == null || t.parent != this.transform)
                return;

            t.SetParent(null, worldPositionStays);
        }
    }
}
